WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#26: 
new file mode 100644

WARNING: void function return statements are not generally useful
#51: FILE: tools/testing/selftests/bpf/prog_tests/stream.c:21:
+	return;
+}

CHECK: multiple assignments should be avoided
#75: FILE: tools/testing/selftests/bpf/prog_tests/stream.c:45:
+		skel->bss->written_count = skel->bss->written_size = 0;

WARNING: line length of 107 exceeds 80 columns
#76: FILE: tools/testing/selftests/bpf/prog_tests/stream.c:46:
+		ret = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.bpftool_dump_prog_stream), &opts);

ERROR: do not initialise globals to 0
#92: FILE: tools/testing/selftests/bpf/prog_tests/stream.c:62:
+int cnt = 0;

WARNING: line length of 122 exceeds 80 columns
#115: FILE: tools/testing/selftests/bpf/prog_tests/stream.c:85:
+	ASSERT_OK(bpf_prog_get_info_by_fd(bpf_program__fd(skel->progs.stream_test_output), &info, &info_len), "get info");

WARNING: line length of 93 exceeds 80 columns
#116: FILE: tools/testing/selftests/bpf/prog_tests/stream.c:86:
+	ret = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.stream_test_output), &opts);

WARNING: void function return statements are not generally useful
#125: FILE: tools/testing/selftests/bpf/prog_tests/stream.c:95:
+	return;
+}

ERROR: Macros with complex values should be enclosed in parentheses
#141: FILE: tools/testing/selftests/bpf/progs/stream.c:10:
+#define STREAM_STR (u64)(_STR _STR _STR _STR)

WARNING: line length of 100 exceeds 80 columns
#157: FILE: tools/testing/selftests/bpf/progs/stream.c:26:
+		if ((ret = bpf_stream_vprintk(stream, "%llu%s", &(u64[]){i, STREAM_STR}, 16)) < 0) {

CHECK: Unnecessary parentheses around u64[]
#157: FILE: tools/testing/selftests/bpf/progs/stream.c:26:
+		if ((ret = bpf_stream_vprintk(stream, "%llu%s", &(u64[]){i, STREAM_STR}, 16)) < 0) {

ERROR: do not use assignment in if condition
#157: FILE: tools/testing/selftests/bpf/progs/stream.c:26:
+		if ((ret = bpf_stream_vprintk(stream, "%llu%s", &(u64[]){i, STREAM_STR}, 16)) < 0) {

WARNING: line length of 105 exceeds 80 columns
#248: FILE: tools/testing/selftests/bpf/progs/stream.c:117:
+		failed = bpf_stream_vprintk(stream, "%s%s%s", &(u64[]){STREAM_STR, STREAM_STR}, 16) != 0;

CHECK: Unnecessary parentheses around u64[]
#248: FILE: tools/testing/selftests/bpf/progs/stream.c:117:
+		failed = bpf_stream_vprintk(stream, "%s%s%s", &(u64[]){STREAM_STR, STREAM_STR}, 16) != 0;

WARNING: Missing or malformed SPDX-License-Identifier tag in line 1
#265: FILE: tools/testing/selftests/bpf/progs/stream_bpftool.c:1:
+../../../../bpf/bpftool/skeleton/stream.bpf.c

WARNING: adding a line without newline at end of file
#265: FILE: tools/testing/selftests/bpf/progs/stream_bpftool.c:1:
+../../../../bpf/bpftool/skeleton/stream.bpf.c

CHECK: spaces preferred around that '/' (ctx:VxV)
#265: FILE: tools/testing/selftests/bpf/progs/stream_bpftool.c:1:
+../../../../bpf/bpftool/skeleton/stream.bpf.c
   ^

CHECK: spaces preferred around that '/' (ctx:VxV)
#265: FILE: tools/testing/selftests/bpf/progs/stream_bpftool.c:1:
+../../../../bpf/bpftool/skeleton/stream.bpf.c
      ^

CHECK: spaces preferred around that '/' (ctx:VxV)
#265: FILE: tools/testing/selftests/bpf/progs/stream_bpftool.c:1:
+../../../../bpf/bpftool/skeleton/stream.bpf.c
         ^

CHECK: spaces preferred around that '/' (ctx:VxV)
#265: FILE: tools/testing/selftests/bpf/progs/stream_bpftool.c:1:
+../../../../bpf/bpftool/skeleton/stream.bpf.c
            ^

CHECK: spaces preferred around that '/' (ctx:VxV)
#265: FILE: tools/testing/selftests/bpf/progs/stream_bpftool.c:1:
+../../../../bpf/bpftool/skeleton/stream.bpf.c
                ^

CHECK: spaces preferred around that '/' (ctx:VxV)
#265: FILE: tools/testing/selftests/bpf/progs/stream_bpftool.c:1:
+../../../../bpf/bpftool/skeleton/stream.bpf.c
                        ^

CHECK: spaces preferred around that '/' (ctx:VxV)
#265: FILE: tools/testing/selftests/bpf/progs/stream_bpftool.c:1:
+../../../../bpf/bpftool/skeleton/stream.bpf.c
                                 ^

ERROR: open brace '{' following function definitions go on the next line
#283: FILE: tools/testing/selftests/bpf/progs/stream_fail.c:11:
+int stream_get_trusted(void *ctx) {

ERROR: open brace '{' following function definitions go on the next line
#293: FILE: tools/testing/selftests/bpf/progs/stream_fail.c:21:
+int stream_get_prog_fail(void *ctx) {

ERROR: open brace '{' following function definitions go on the next line
#305: FILE: tools/testing/selftests/bpf/progs/stream_fail.c:33:
+int stream_get_prog_trusted(void *ctx) {

ERROR: open brace '{' following function definitions go on the next line
#315: FILE: tools/testing/selftests/bpf/progs/stream_fail.c:43:
+int stream_get_put_missing(void *ctx) {

total: 7 errors, 10 warnings, 10 checks, 313 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit def2a6283e75 ("selftests/bpf: Add tests for prog streams") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.